a priori probability |

Abbe criterion |

Abbe-Helmert criterion |

Abelson-Tukey score test |

abnormal curve |

abnormality |

abrupt change |

abrupt distribution |

absolute deviation |

absolute difference |

absolute error |

absolute frequency |

absolute measure |

absolute moments |

absolute risk |

absolutely unbiased estimator |

absorbing barrier |

absorbing Markov chain |

absorbing region |

absorbing state |

absorption distributions |

accelerated failure time model |

accelerated life testing |

accelerated stochastic approximation |

accelerated test |

acceleration by powering |

acceptable quality level |

acceptable reliability level |

acceptance boundary |

acceptance control chart |

acceptance error |

acceptance inspection |

acceptance line |

acceptance number |

acceptance quality level |

acceptance region |

acceptance sampling |

accumulated deviation |

accumulated process |

accuracy |

ACF |

actuarial estimator |

actuarial statistics |

ad hoc test |

adaptive inference |

adaptive kernel estimation |

adaptive methods |

adaptive optimisation |

adaptive optimization |

adaptive regression |

adaptive rejection sampling |

added variable plot |

addition of variates |

additive hazard model |

additive model |

additive process |

additive property of χ² |

additive property of chi-square |

additivity of means |

adequate subset |

Adès distributions |

adherent probabilities |

adjusted profile likelihood |

admissible decision function |

admissible estimator |

admissible hypothesis |

admissible numbers |

admissible strategy |

admissible test |

affine α-resolvability |

affine alpha resolvability |

affinity |

age-adjusted rate |

age-dependent birth and death process |

age-dependent branching process |

age-period-cohort effects |

age-sex-adjusted rate |

age-specific death rate |

age-specific mortality rate |

age-specific rate |

aggregation |

aggregative cluster analysis |

aggregative index |

aggregative model |

aging distribution |

AIC |

AID |

Aitken estimator |

Ajne's An-test |

Akaike's information criterion |

aleatory variable |

algorithm |

alias |

allele |

allocation of a sample |

allocation rule |

allokurtic |

allometric growth |

allometry |

allowable defects |

all-possible-subsets regression |

almost certain |

almost certainly |

almost everywhere |

almost stationary |

almost surely |

alpha error |

alpha factoring |

alpha index |

alpha resolvability |

alphabet |

Alter periodogram |

alternating process |

alternating renewal process |

alternative hypothesis |

amount of information |

amount of inspection |

amplitude ratio |

amplitude |

analogue computer |

analysis of covariance |

analysis of dispersion |

analysis of variance of longitudinal data |

analysis of variance |

analytic regression |

analytic survey |

analytic trend |

ancillary information |

ancillary statistic |

ANCOVA |

Anderson-Darling statistic |

Anderson's classification statistic |

Andrews' Fourier-type plot |

angular transformation |

angular variables |

anisotropic distribution |

annual block maximum method |

annual maximum method |

anomic |

Anosov's theorem |

ANOVA table |

ANOVA |

Ansari-Bradley dispersion test |

Anscombe residual |

ante-dependence model |

antimode |

antiseries |

antithetic transforms |

antithetic variables |

antitonic regression function |

AOQ |

AOQL |

aperiodic state |

approximate degrees of freedom |

approximation error |

AQL |

Aranda-Ordaz model |

arbitrary origin |

arc sine distribution |

arc sine transformation |

ARCH model |

ARE |

area comparability factor |

area sampling |

Arfwedson distribution |

ARIMA process |

arithmetic average |

arithmetic distribution |

arithmetic mean |

ARL |

ARMA process |

ARMA process |

Armitage's chi-squared test for trend |

Armitage's restricted procedure |

Arnold distribution |

array |

arrival distribution |

ascertainment error |

ascertainment |

ASN function |

Aspin-Welch test |

assay |

assignable variation |

associable design |

associate class |

association analysis |

association scheme |

association |

assumed mean |

asymmetrical distribution |

asymmetrical factorial design |

asymmetrical test |

asymmetry |

asymptotic Bayes procedure |

asymptotic distribution |

asymptotic efficiency |

asymptotic normality |

asymptotic relative efficiency |

asymptotic standard error |

asymptotic test |

asymptotically √n-unbiased estimator |

asymptotically efficient estimator |

asymptotically locally optimal design |

asymptotically most powerful test |

asymptotically stationary |

asymptotically subminimax |

asymptotically unbiased estimator |

atom |

attack rate |

attenuation |

attributable fraction |

attributable risk |

attribute |

atypical characteristic |

auto-catalytic curve |

autocorrelation coefficient |

autocorrelation function |

autocorrelation |

autocovariance function |

autocovariance generating function |

autocovariance |

automatic interaction detection |

automatic model selection |

autonomous equations |

autoregression quantile |

autoregression rank scores |

autoregression |

autoregressive conditional heteroscedasticity model |

autoregressive integrated moving average process |

autoregressive model |

autoregressive moving average process |

autoregressive process |

autoregressive series |

autoregressive transformation |

auto-spectrum |

average amount of inspection |

average article run length |

average correction (for grouping) |

average critical value method |

average deviation |

average deviation |

average extra defectives limit |

average inaccuracy |

average loss |

average of relatives |

average outgoing quality level |

average outgoing quality limit |

average quality protection |

average run length |

average sample number curve |

average sample number function |

average sample run length |

average shifted histograms |

average |

axial distribution |

axonometric chart |